title: Postoperative cognitive deficits: more questions than answers.
mesh_terms: D000368:Aged; D000768:Anesthesia, General / Q000009:adverse effects; D006348:Cardiac Surgical Procedures / Q000009:adverse effects; D003072:Cognition Disorders / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D011183:Postoperative Complications / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control*; D013514:Surgical Procedures, Operative / Q000009:adverse effects